TIM CULLEN, Chairperson Committee on Senate Organization Attorney General of Wisconsin — Opinion September 12, 1986 Constitutional Law; State; Transportation; State regulation prohibiting single-hulled barges and requiring double-hulled barges on the Mississippi River adjacent to Wisconsin would violate the Supremacy Clause of the United States Constitution. BRONSON C. La FOLLETTE, Attorney General TIM CULLEN, Chairperson […]